Finding the Fourth Proportional to 320,033,053.20, 480,049,579.80 and 306,596,125.20
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Solution
The fourth proportional to 320,033,053.20, 480,049,579.80 and 306,596,125.20 is: 459,894,187.80
Step by Step Solution
- Step 1: Write the proportion equation
320,033,053.20 : 480,049,579.80 = 306,596,125.20 : x - Step 2: Convert to fraction form
320,033,053.20/480,049,579.80 = 306,596,125.20/x - Step 3: Cross multiply
320,033,053.20x = 480,049,579.80 × 306,596,125.20 - Step 4: Simplify right side
320,033,053.20x = 147,181,341,070,568,192 - Step 5: Solve for x
x = 147,181,341,070,568,192/320,033,053.20 - Step 6: Final answer
x = 459,894,187.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.